class R {
  String retCode;
  String retMessage;
  String data;

  R({this.retCode, this.retMessage, this.data});

  R.fromJson(Map<String, dynamic> json) {
    retCode = json['retCode'];
    retMessage = json['retMessage'];
    data = json['data'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['retCode'] = this.retCode;
    data['retMessage'] = this.retMessage;
    data['data'] = this.data;
    return data;
  }
}
